Home / 100,392.26-138,545.69-60,098.25

Finding the Fourth Proportional to 100,392.26, 138,545.69 and 60,098.25

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Solution

The fourth proportional to 100,392.26, 138,545.69 and 60,098.25 is: 82,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,392.26 : 138,545.69 = 60,098.25 : x
  2. Step 2: Convert to fraction form
    100,392.26/138,545.69 = 60,098.25/x
  3. Step 3: Cross multiply
    100,392.26x = 138,545.69 × 60,098.25
  4. Step 4: Simplify right side
    100,392.26x = 8,326,354,071.15
  5. Step 5: Solve for x
    x = 8,326,354,071.15/100,392.26
  6. Step 6: Final answer
    x = 82,938.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.